Digital Projectors

Digital projectors are growing in popularity around the world. There are two reasons for this. The first reason is that the technology is gradually becoming better and more affordable, to the point that a brand new, top-of-the-range projector can be really quite affordable. The second reason is that traditional slide projectors are becoming technologically obsolete, with expensive replacement bulbs and lower quality projections. The primary way of doing a digital projection is by using computer software to make a visual presentation, but most projectors will also display from a VCR or DVD player too.

One benefit of using a digital version is that they can operate far more efficiently in light environments. A slide projector usually needs to be used in a dimmed room or the output is not clearly visible, but many digital models are able to function completely in broad daylight. Before purchasing a projector you should think about the environment you intend to use it in. A projector's ability to work in light is measured in "ANSI lumens". A projector with less than 500 ANSI lumens will not function well in a well-lit room, while projectors with 600 plus ANSI lumens will function better even in strong light. Manufacturers and retailers will make it clear the level of ANSI lumens that each projector model has.

One other factor you should consider when purchasing digital projectors, is the picture resolution on offer. Until quite recently most projectors only offered SVGA resolution (800 x 600 pixels) which gives a relatively low picture quality and prevented many people from purchasing a projector. Now many projector models offer a higher picture quality, often XGA (1024 x 768 pixels), although certain models even offer WXGA (wide screen XGA) resolution for an even better image quality. It helps if you consider the quality that you require before you invest in a projector, which can be determined by the size of room you intend to project in, among other factors. If you have any doubts then you should speak to a helpful and informative retailer either online or in the high street.

Digital projectors have not only come down in price, but they have also come down in size too. While older slide projector models were rather oversized and cumbersome, manufacturers today are making efforts to offer projectors with more manageable sizes, for easier use. Portable and ultra-portable projectors are becoming increasingly popular. The latter are great for moving around to different meetings or screenings, and they tend to come in a robust aluminium packaging which makes them much less prone to damage. Portable projectors have dropped in price recently too, making them much more accessible. For larger situations you can buy projectors for fixed locations, with brightness levels of 2000 ANSI lumens or more.

Be careful before you buy your projector, and consider the various features you might need such as image resolution, zoom lens, ANSI lumens and power supply. It helps if you know exactly what use you want from your digital projectors before you buy.

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